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Finding the Fourth Proportional to 43,658.41, 65,488.07 and 34,948.69

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Solution

The fourth proportional to 43,658.41, 65,488.07 and 34,948.69 is: 52,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,658.41 : 65,488.07 = 34,948.69 : x
  2. Step 2: Convert to fraction form
    43,658.41/65,488.07 = 34,948.69/x
  3. Step 3: Cross multiply
    43,658.41x = 65,488.07 × 34,948.69
  4. Step 4: Simplify right side
    43,658.41x = 2,288,721,754.94
  5. Step 5: Solve for x
    x = 2,288,721,754.94/43,658.41
  6. Step 6: Final answer
    x = 52,423.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.